20081924

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2281}}^1$

素因数の和:2387

約数の個数: 24

約数和(自身を含む): 36804096

約数和(自身を除く): 16722172

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 284, 2201, 2281, 4402, 4562, 8804, 9124, 70711, 141422, 161951, 282844, 323902, 647804, 5020481, 10040962, 20081924]

約数ペア:

[(1, 20081924), (2, 10040962), (4, 5020481), (31, 647804), (62, 323902), (71, 282844), (124, 161951), (142, 141422), (284, 70711), (2201, 9124), (2281, 8804), (4402, 4562)]